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charset=us-ascii Content-Disposition: inline In-Reply-To: <20261004-w83627hf_wdt-improvements-v3-2-8e27b518595e@bootlin.com> Hi Paul, kernel test robot noticed the following build warnings: [auto build test WARNING on 028ef9c96e96197026887c0f092424679298aae8] url: https://github.com/intel-lab-lkp/linux/commits/Paul-Louvel/watchdog-w83627hf_wdt-Replace-magic-numbers-with-descriptive-macros/20261004-141249 base: 028ef9c96e96197026887c0f092424679298aae8 patch link: https://lore.kernel.org/r/20261004-w83627hf_wdt-improvements-v3-2-8e27b518595e%40bootlin.com patch subject: [PATCH v3 2/6] watchdog: w83627hf_wdt: Convert to platform driver model config: parisc-allyesconfig (https://download.01.org/0day-ci/archive/20261008/202610080027.3OsJDwfo-lkp@intel.com/config) compiler: hppa-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261008/202610080027.3OsJDwfo-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202610080027.3OsJDwfo-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/watchdog/w83627hf_wdt.c: In function 'wdt_probe': >> drivers/watchdog/w83627hf_wdt.c:483:30: warning: 'snprintf' output may be truncated before the last format character [-Wformat-truncation=] 483 | "%s Watchdog", id->name); | ^ drivers/watchdog/w83627hf_wdt.c:482:9: note: 'snprintf' output between 10 and 33 bytes into a destination of size 32 482 | snprintf(data->info.identity, sizeof(data->info.identity), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 483 | "%s Watchdog", id->name); | ~~~~~~~~~~~~~~~~~~~~~~~~ vim +/snprintf +483 drivers/watchdog/w83627hf_wdt.c 460 461 static int wdt_probe(struct platform_device *pdev) 462 { 463 const struct platform_device_id *id = platform_get_device_id(pdev); 464 struct device *dev = &pdev->dev; 465 struct watchdog_device *wdd; 466 struct w83627hf_data *data; 467 enum chips chip; 468 int ret; 469 470 dev_info(dev, "WDT driver initialising\n"); 471 472 if (!id) 473 return dev_err_probe(dev, -EINVAL, "failed to get chip id\n"); 474 475 chip = id->driver_data; 476 477 data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); 478 if (!data) 479 return -ENOMEM; 480 481 data->info.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE; 482 snprintf(data->info.identity, sizeof(data->info.identity), > 483 "%s Watchdog", id->name); 484 485 wdd = &data->wdd; 486 487 wdd->parent = dev; 488 wdd->info = &data->info; 489 wdd->ops = &wdt_ops; 490 wdd->timeout = WATCHDOG_TIMEOUT; 491 wdd->min_timeout = 1; 492 wdd->max_timeout = 255; 493 494 watchdog_set_drvdata(wdd, data); 495 watchdog_init_timeout(wdd, timeout, NULL); 496 watchdog_set_nowayout(wdd, nowayout); 497 watchdog_stop_on_reboot(wdd); 498 499 ret = w83627hf_init(wdd, chip); 500 if (ret) 501 return dev_err_probe(dev, ret, "failed to initialize watchdog\n"); 502 503 ret = devm_watchdog_register_device(dev, wdd); 504 if (ret) 505 return ret; 506 507 dev_info(dev, "initialized. timeout=%d sec (nowayout=%d)\n", 508 wdd->timeout, nowayout); 509 510 return ret; 511 } 512 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki